Actor tapped to voice Cubs documentary

Thesp Gary Sinise has been tapped to narrate “We Believe,” a docu about the city of Chicago and baseball team the Cubs, from helmer John Scheinfeld (“The U.S. vs. John Lennon”) and producer Chad Smith.

Shot by Chi-based Sedgwick Prods. with full authorization from the Cubs and in cooperation with Major League Baseball, “Believe” includes interviews with enthusiasts including Bob Costas, Dennis Franz and MLB commissioner Bud Selig.

Sinise, a Chicago-area native, currently stars in the TV series “CSI: NY.”

Docu is set to bow June 12.

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